@CHARSET "UTF-8";
 *{
        padding: 0;
        margin: 0;
    }
    body{
        background: rgba(245,245,220,0.5);
    }
    .header{
        width: 100%;
        height: 40px;
        background: rgb(50, 50, 50);
    }
    .header .sao-ma,.header .login{
        width: 40px;
        height: 40px;
        background: rgba(0,0,0,0.1);
        float: right;
        margin-left: 2px;
    }
    .header .sao-ma:hover,.header .login:hover{
        background: rgba(0,0,0,0.3);
    }
    .header .sao-ma:active,.header .login:active{
        background: rgba(0,0,0,0.5);
    }
    .header .sao-ma img,.login img{
        width: 40px;
        height: 40px;
    }
    .content{
        margin-top: 10%;
    }
    .content .cabinet_logo{
        max-width: 326px;
        max-height: 326px;
        margin: 0 auto;
        border-radius: 100%;
        display: block;
    }
    @media screen and (max-width: 326px){
        .content .cabinet_logo {
            max-width: 280px;
            max-height: 280px;
        }
    }
    .content-span{
        width: 80%;
        height: 50px;
        line-height: 50px;
        font-size: 22px;
        display: block;
        margin: 0 auto;
        color: gray;
        font-weight: 900;
        margin-top: 30px;
        text-align: center;
    }
    .content-span img{
        width: 50px;
        height: 50px;
        position: static;
        margin-left: -25px;
    }

    .clear{
        clear: both;
    }
    .content-btn{
        width: 80%;
        height: 40px;
        background: dodgerblue;
        display: block;
        line-height: 40px;
        text-align: center;
        font-size: 20px;
        margin: 0 auto;
        border-radius: 10px;
        margin-top: 50px;
        color: white;
        font-weight: 500;
        box-shadow: 2px 2px 2px rgba(0,0,0,0.3);
    }
    .content-btn:hover{
        background: #0593ff;
    }
    .content-btn:active{
        background: #0974ff;
        box-shadow: 3px 3px 5px rgba(0,0,0,0);
    }

    a{
        text-decoration: none;
    }